Because by damaging capsids, there is no place for the bad DNA to be stored. So the drug destroys the DNA so no more of the virus can be stored in the body.
Answer:
Quadrat method is used for estimating the number of individuals in an area. In this method, a large square area on the ground or water surface is marked, call it an enclave. The number of animals present in this enclave is counted. Then by assuming that the animals are less migratory and are uniformly distributed, their number for a large area is estimated by the use of unitary method of calculation. Example a 4 square feet area has 2 snails, then a 1000 square feet area will have (1000 x 2)/4, i.e, 500 snails in it. Fishes can be counted using this method only if they are confined in a small water body like a lake or a pond. Rivers are flowing so the fishes may move along its length which can give us an underestimate or an overestimate of their numbers. Sea has its depth and huge area, and fishes can be moving randomly in it. Hence this method will not work for river and sea fishes.
Explanation:
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Starch cannot diffuse across the membrane because starch molecules are too large to fit through the pores in the dialysis tubing, whereas iodine is a smaller molecule and therefore can diffuse across.
Answer: habitat preference
Explanation:
One of the driving factors for ecological speciation that does not allow interbreeding between the members of a species is habitat preference. Some members of a species have a different preference for habitat than others in terms of habitat preference. They reside and do not interbreed in various environments. These two populations of a species live in diverse environments acquire genetic differences over generations and interbreed only with members of their own populations.
This could be due to a malfunction of her thymus.
The thymus is a soft triangular shaped organ that is situated in the mediastinum of the thoracic cavity. The thymus is the predominant donor of cells for the lymphatic system. The thymus performs an important role in the training and growth of T cells (thymus-derived cells) that are produced in the red bone marrow. The T cells defend the body by destroying infected or cancerous cells and harmful pathogens such as bacteria, viruses, and fungi. The thymus also helps in the proper growth of other organs within the immune system.